CN103437963B - A kind of solar energy wind-power generation tower curved surface sleeve pipe - Google Patents

Abstract

The invention discloses a kind of solar energy wind-power generation tower curved surface sleeve pipe, curved surface sleeve pipe adopts the revolution free form surface structure seamlessly transitted, both ends open, opening cylindrical section is circumferentially provided with multiple round tube hole, along circular flat circumference uniform multiple bottoms round tube hole bottom opening; Curved surface sleeve pipe is arranged on thermal-arrest canopy top, and collection wind passage is fixedly connected with curved surface sleeve pipe, the rise of convenient collection wind passage and landing, thus avoids being destroyed; And the intensity of bottom under super-low voltage state can be strengthened, to prevent external pressure to the destruction of collection wind channel bottom.Curved surface sleeve pipe is fixedly mounted on the joint of thermal-arrest canopy and collection wind passage, generator set is arranged on curved surface cannula center position by the supporting effect of support, by the generator set that smooth connection and the increase of curved surface sleeve pipe are installed, improve solar energy wind-power generation tower system acting ability and energy conversion efficiency.

Description

A kind of solar energy wind-power generation tower curved surface sleeve pipe

Technical field

The invention belongs to technical field of new energies, specifically, relate to a kind of solar energy wind-power generation tower curved surface sleeve pipe.

Background technique

Collection wind tower solar heat power generation system mainly contains focusing system, heat absorption, heat-exchange system, heat reservoir and power generation system four part composition.Wherein, focusing system comprises reflector, supporting structure, transmission device and tracking control system, adopts the transformation routes of light-heat-electricity.Namely the heat energy power-generating that solar radiation produces is utilized.By being the steam of working medium with thermal-arrest canopy by absorbed thermal power transfer, then generated electricity by steam driven gas-turbine drive electrical generators.Last process is light-hot-cast socket, and a rear process is heat-electricity conversion.The structure of solar energy wind-power generation tower comprises thermal-arrest canopy, collection wind passage; Establish gas data feedback channel in thermal-arrest canopy, double layer light transmission glass is established in the outside of the sunny slope of gas data feedback channel, and light-absorbing coating is established in the bottom of inner side, and highest point and the air of gas data feedback channel communicate; Establish gas down going channel in convection tower, establish wind turbine bottom gas down going channel, cold wind import is established at gas down going channel top; The lowest part of gas data feedback channel is communicated with the lowest part of gas down going channel, and the output terminal of wind turbine is connected with the input end of generator.Patent of invention 200810002820.9 discloses a kind of super-high chimney and makes wind electricity generating device.By collection wind passage, sleeve pipe, thermal-arrest canopy, air intake passage, wind-driven generator, greenhouse, reflector seven major part composition.Thermal-arrest canopy is connected with collection wind channel body by sleeve pipe, base bottom be provided with one with the air intake passage of collection wind channel vertical, the extensible thousands of rice of air intake passage, installs huge condenser mirror around pedestal, and up to a hundred wind power generating set are installed in air intake passage inside.The deficiency of this device is, large losses energy when high temperature hot gas being flowed through with the air intake passage of bottom vertical, and be difficult to the height regulating collection wind passage, reduce generating efficiency, and the mode that generator set is arranged on thermal-arrest ceiling portion is complicated, flow resistance is caused to the hot air flow risen, not only reduces generating efficiency but also be unfavorable for the Inspection and maintenance of generator set.

Summary of the invention

High for existing solar power plant cost, utilization ratio is low, and the problem that wind energy generating plant utilization ratio is low.The present invention proposes a kind of solar energy wind-power generation tower curved surface sleeve pipe.

Curved surface sleeve pipe connects collection wind passage and thermal-arrest canopy, the rise of convenient collection wind passage and landing, collection wind passage can be made to land at any time when there being excessive wind-force, thus avoid being destroyed, and the intensity of bottom under super-low voltage state can be strengthened, to prevent external pressure to the destruction of collection wind channel bottom.Curved surface sleeve pipe is positioned at the joint of thermal-arrest canopy and collection wind passage and installs generator set by the supporting effect of support, is improved the energy conversion efficiency of Ji Fengta by the curved surface connection of sleeve pipe and the generator set of increase.

The technical solution adopted for the present invention to solve the technical problems is: curved surface sleeve pipe adopts the revolution free form surface structure seamlessly transitted, both ends open, opening cylindrical section is circumferentially provided with multiple round tube hole, along circular flat circumference uniform multiple bottoms round tube hole bottom opening; Curved surface sleeve pipe is positioned at thermal-arrest canopy top, curved surface cannula center axis and thermal-arrest canopy central axis; Collection wind passage and curved surface sleeve pipe are connected, and generator set is by support installing at curved surface cannula center position, and collection wind passage and curved surface sleeve pipe, generator set are coaxially installed; Curved surface sleeve design is selected to be undertaken by surface equation formula:

$Z=C-{\left(\frac{{\mathrm{\η}}_{\mathrm{coll}}\×A_{\mathrm{coll}}\×G}{\mathrm{\π}{C}_p\×\mathrm{\ΔT}}\right)}^2\×\frac{1}{g{R}^4}$

Wherein: η _collfor thermal-arrest canopy efficiency,

A _collfor the gross area m of thermal-arrest shed top surface ²,

G is solar radiation intensity, unit W/m ²,

C _pfor pressurization by compressed air specific heat capacity, J/ (kg DEG C),

Δ T is that curved surface sleeve pipe is taken up an official post and got the temperature difference DEG C of two sections,

R is the radius m in curved surface sleeve pipe arbitrary surface cross section,

The sleeve pipe height value m that Z is is horizontal plane with curved surface sleeve pipe minimum point.

Beneficial effect

A kind of solar energy wind-power generation tower curved surface sleeve pipe that the present invention proposes, theoretical according to conduit entrance section shrinkage, its resistance coefficient is relevant to inlet edge, and streamlined import Local Damping coefficient is minimum, reduce air-flow by time energy loss, increase high-temperature gas enters collection wind passage local velocity from thermal-arrest canopy, make the change of acceleration comparatively mild, reduce the impact of hot air flow by joint, and be seamlessly transit through path, improve solar energy collection wind tower system acting ability and energy conversion efficiency.In curved surface sleeve pipe, install installation and control that generator set facilitates whole collection wind tower electricity generating device, more convenient generator set is safeguarded.

Accompanying drawing explanation

Below in conjunction with drawings and embodiments, a kind of solar energy wind-power generation of the present invention tower curved surface sleeve pipe is described in further detail.

Fig. 1 is solar energy wind-power generation tower structure schematic diagram.

Fig. 2 is solar energy wind-power generation tower curved surface sleeve pipe schematic diagram of the present invention.

Fig. 3 is solar energy wind-power generation tower curved surface sleeve pipe plan view of the present invention.

Fig. 4 is solar energy wind-power generation tower curved surface sleeve pipe worm's eye view of the present invention.

Fig. 5 is solar energy wind-power generation tower curved surface telescopic shaft mapping of the present invention.

In figure:

1. collect wind passage 2. generator set 3. curved surface sleeve pipe 4. thermal-arrest canopy 5. round tube hole

6. round tube hole bottom

Specific embodiments

The present embodiment is a kind of solar energy wind-power generation tower curved surface sleeve pipe.

Consult Fig. 1-Fig. 5, solar energy wind-power generation tower curved surface sleeve pipe of the present invention adopts the revolution free form surface structure seamlessly transitted, curved surface sleeve pipe 3 both ends open, opening cylindrical section is circumferentially provided with multiple round tube hole 5, along circular flat circumference uniform multiple bottoms round tube hole 6 bottom opening; Curved surface sleeve pipe 3 is positioned at thermal-arrest canopy 4 top, curved surface sleeve pipe 3 central shaft and thermal-arrest canopy 4 central axis; Collection wind passage 1 is connected with curved surface sleeve pipe 3, and generator set 2 is by support installing in curved surface sleeve pipe 3 center portion, and collection wind passage 1 is coaxially installed with curved surface sleeve pipe 3, generator set 2; Curved surface sleeve design is selected to be undertaken by surface equation formula:

$Z=C-{\left(\frac{{\mathrm{\η}}_{\mathrm{coll}}\×A_{\mathrm{coll}}\×G}{\mathrm{\π}{C}_p\×\mathrm{\ΔT}}\right)}^2\×\frac{1}{g{R}^4}$

Wherein: η _collfor thermal-arrest canopy efficiency,

A _collfor the gross area m of thermal-arrest shed top surface ²,

G is solar radiation intensity, unit W/m ²,

C _pfor pressurization by compressed air specific heat capacity, J/ (kg DEG C),

Δ T is that curved surface sleeve pipe is taken up an official post and got the temperature difference DEG C of two sections,

R is the radius m in curved surface sleeve pipe arbitrary surface cross section,

The sleeve pipe height value m that Z is is horizontal plane with curved surface sleeve pipe minimum point.

Wind generating is made after solar energy wind-power generation tower builds up; Can external power be utilized when power generation column does not generate electricity, be provided by self after generating.The position of installing wind-driven generator at curved surface sleeve pipe 3 is installed by support, makes medial axis and the horizontal plane of generator.Thus only have generator set 2 axis to be erected in air intake passage when ensureing generating, resistance is not produced to air.After the Exhaust Open at collection wind passage 1 top, utilize the condenser mirror in thermal-arrest canopy 4 to absorb sunlight heats inner air, thus form in power generation column inside the hot air flow risen at a high speed.A large amount of hot air sprays downwards from relief opening, top air pressure can be caused to reduce power generation column bottom air and rise in a large number, and drive the air in air intake passage to circulate with the speed of 50-80 rice per second, air blast pushing generator blade High Rotation Speed, sends electric power.Hot air is in the mutual conversion process by during blade being a kinetic energy and potential energy, and generator blade have also been changed the draught head before and after air while rotating work done, and this draught head can become the power of air by accelerated motion after blade on the contrary.Ji Fengta is when normally working, and the spray volume of its headspace is larger, and the air velocity of power generation column inside is higher.To the resistance that air is formed during wind turbine power generation, can increase the draught head between hotair chamber and outside air, the increase of draught head becomes again the power of air in air intake passage high speed circulation.In actual applications, vertical intake grill can cause a large amount of resistances to hot air, therefore causes energy loss, and curved surface sleeve pipe 3 to some extent solves hot air and enters the problem that collection wind passage causes energy loss.When solar energy wind-power generation tower is installed, first support ground by the steel bar column in thermal-arrest canopy thus ensure that intake grill and ground maintain a certain distance, air-flow is made to enter thermal-arrest canopy smoothly, secondly pass through support installing blade generator set in inside pipe casing central position, the position of installing wind-driven generator adopts stent support at the air intake place of curved surface sleeve pipe 3.Then in thermal-arrest canopy bottom centre, the curved surface sleeve pipe 3 with generator set is installed, be connected thus fixing curved surface sleeve pipe 3 with the through hole in thermal-arrest ceiling portion by the bottom round tube hole bottom curved surface sleeve pipe 3, outer wall finally at curved surface sleeve pipe 3 top with collection wind passage is fixedly connected with by round tube hole, curved surface sleeve pipe 3 center and collection wind passage 1 center superposition.Thus ensure that collection wind passage is upright, make being promoted by flow velocity during collection wind passage of hot air flow.

Solar energy wind-power generation tower curved surface sleeve pipe of the present invention serves and connects collection wind passage and the effect of thermal-arrest canopy, and to ensure that hot air enters path collection wind passage process from thermal-arrest canopy be seamlessly transit, and keeps acceleration change mild.Curved surface sleeve pipe is made up of high strength cement and reinforcing fiber, curved surface cover tube exterior geometrical shape is the revolution free form surface structure seamlessly transitted, in order to realize reducing energy loss as much as possible, in the design of curved surface sleeve pipe, take into account the optimization of sleeve pipe curved design.

Claims (1)

1. a solar energy wind-power generation tower curved surface sleeve pipe, it is characterized in that: curved surface sleeve pipe adopts the revolution free form surface structure seamlessly transitted, both ends open, opening cylindrical section is circumferentially provided with multiple round tube hole, along circular flat circumference uniform multiple bottoms round tube hole bottom opening; Curved surface sleeve pipe is positioned at thermal-arrest canopy top, curved surface cannula center axis and thermal-arrest canopy central axis; Collection wind passage and curved surface sleeve pipe are connected, and generator set is by support installing at curved surface cannula center position, and collection wind passage and curved surface sleeve pipe, generator set are coaxially installed; Curved surface sleeve design is selected to be undertaken by surface equation formula:

Wherein: η _collfor thermal-arrest canopy efficiency,

A _collfor the gross area m of thermal-arrest shed top surface ²,

G is solar radiation intensity, unit W/m ²,

C _pfor pressurization by compressed air specific heat capacity, J/ (kg DEG C),

Δ T is that curved surface sleeve pipe is taken up an official post and got the temperature difference DEG C of two sections,

R is the radius m in curved surface sleeve pipe arbitrary surface cross section,

The sleeve pipe height value m that Z is is horizontal plane with curved surface sleeve pipe minimum point,

C is the numerical value of curved surface sleeve pipe minimum point.